1431541522231 has 16 divisors (see below), whose sum is σ = 1452095969184. Its totient is φ = 1411112761344.

The previous prime is 1431541522193. The next prime is 1431541522261. The reversal of 1431541522231 is 1322251451341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1431541522231 is a prime.

It is a super-2 number, since 2×1431541522231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431541522261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38752536 + ... + 38789458.

It is an arithmetic number, because the mean of its divisors is an integer number (90755998074).

Almost surely, 2^{1431541522231} is an apocalyptic number.

1431541522231 is a deficient number, since it is larger than the sum of its proper divisors (20554446953).

1431541522231 is a wasteful number, since it uses less digits than its factorization.

1431541522231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38610.

The product of its digits is 28800, while the sum is 34.

Adding to 1431541522231 its reverse (1322251451341), we get a palindrome (2753792973572).

The spelling of 1431541522231 in words is "one trillion, four hundred thirty-one billion, five hundred forty-one million, five hundred twenty-two thousand, two hundred thirty-one".